实现明天的唯一限制将是我们今天的怀疑。
We must balance the need for energy today with the imperative of protecting the planet for tomorrow.
我们必须平衡当今的能源需求与保护地球未来的必要性。
The wild is a place of danger. To survive, you have to respect it.
过去解释现在——这是进化心理学的基本前提。